content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------
   * YearTests.java
   * --------------
   * (C) Copyright 2001-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 16-Nov-2001 : Version 1 (DG);
   * 19-Mar-2002 : Added tests for constructor that uses java.util.Date to ensure
   *               it is consistent with the getStart() and getEnd() methods (DG);
   * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 13-Mar-2003 : Added serialization test (DG);
   * 11-Jan-2005 : Added test for non-clonability (DG);
   * 05-Oct-2006 : Added some new tests (DG);
   * 11-Jul-2007 : Fixed bad time zone assumption (DG);
   *
   */
  
  package org.jfree.data.time;
  
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * Tests for the {@link Year} class.
   */
  public class YearTest  {
  
  
      /**
       * Check that a Year instance is equal to itself.
       *
       * SourceForge Bug ID: 558850.
       */
      @Test
      public void testEqualsSelf() {
          Year year = new Year();
          assertEquals(year, year);
      }
  
      /**
       * Tests the equals method.
       */
      @Test
      public void testEquals() {
          Year year1 = new Year(2002);
          Year year2 = new Year(2002);
          assertEquals(year1, year2);
  
          year1 = new Year(1999);
          assertFalse(year1.equals(year2));
          year2 = new Year(1999);
          assertEquals(year1, year2);
      }
  
      /**
       * In GMT, the end of 2001 is java.util.Date(1009843199999L).  Use this to
       * check the year constructor.
       */
      @Test
      public void testDateConstructor1() {
  
          TimeZone zone = TimeZone.getTimeZone("GMT");
          Calendar c = new GregorianCalendar(zone);
          Date d1 = new Date(1009843199999L);
          Date d2 = new Date(1009843200000L);
          Year y1 = new Year(d1, zone, Locale.getDefault());
          Year y2 = new Year(d2, zone, Locale.getDefault());
  
          assertEquals(2001, y1.getYear());
          assertEquals(1009843199999L, y1.getLastMillisecond(c));
  
          assertEquals(2002, y2.getYear());
          assertEquals(1009843200000L, y2.getFirstMillisecond(c));
  
      }
  
      /**
       * In Los Angeles, the end of 2001 is java.util.Date(1009871999999L).  Use
       * this to check the year constructor.
       */
      @Test
      public void testDateConstructor2() {
  
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          Year y1 = new Year(new Date(1009871999999L), zone, Locale.getDefault());
          Year y2 = new Year(new Date(1009872000000L), zone, Locale.getDefault());
  
          assertEquals(2001, y1.getYear());
          assertEquals(1009871999999L, y1.getLastMillisecond(c));
  
          assertEquals(2002, y2.getYear());
          assertEquals(1009872000000L, y2.getFirstMillisecond(c));
  
      }
  
      /**
       * Set up a year equal to 1900.  Request the previous year, it should be
       * null.
       */
      @Test
      public void testMinuss9999Previous() {
          Year current = new Year(-9999);
          Year previous = (Year) current.previous();
          assertNull(previous);
      }
  
      /**
       * Set up a year equal to 1900.  Request the next year, it should be 1901.
       */
      @Test
      public void test1900Next() {
          Year current = new Year(1900);
          Year next = (Year) current.next();
          assertEquals(1901, next.getYear());
      }
  
      /**
       * Set up a year equal to 9999.  Request the previous year, it should be
       * 9998.
       */
      @Test
      public void test9999Previous() {
          Year current = new Year(9999);
          Year previous = (Year) current.previous();
          assertEquals(9998, previous.getYear());
      }
  
      /**
       * Set up a year equal to 9999.  Request the next year, it should be null.
       */
      @Test
      public void test9999Next() {
          Year current = new Year(9999);
          Year next = (Year) current.next();
          assertNull(next);
      }
  
      /**
       * Tests the year string parser.
       */
      @Test
      public void testParseYear() {
  
  
          // test 1...
          Year year = Year.parseYear("2000");
  
          assertEquals(2000, year.getYear());
  
          // test 2...
          year = Year.parseYear(" 2001 ");
  
          assertEquals(2001, year.getYear());
  
          // test 3...
          year = Year.parseYear("99");
          assertEquals(99, year.getYear());
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          Year y1 = new Year(1999);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(y1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray())
              );
          Year y2 = (Year) in.readObject();
              in.close();
  
          assertEquals(y1, y2);
  
      }
  
      /**
       * The {@link Year} class is immutable, so should not be {@link Cloneable}.
       */
      @Test
      public void testNotCloneable() {
          Year y = new Year(1999);
          assertFalse(y instanceof Cloneable);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          Year y1 = new Year(1988);
          Year y2 = new Year(1988);
          assertEquals(y1, y2);
          int h1 = y1.hashCode();
          int h2 = y2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Some checks for the getFirstMillisecond() method.
       */
      @Test
      public void testGetFirstMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Year y = new Year(1970);
          // TODO: Check this result...
          assertEquals(-3600000L, y.getFirstMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithTimeZone() {
          Year y = new Year(1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-631123200000L, y.getFirstMillisecond(c));
  
          // try null calendar
          try {
              y.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithCalendar() {
          Year y = new Year(2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(978307200000L, y.getFirstMillisecond(calendar));
  
          // try null calendar
          try {
              y.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              // we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond() method.
       */
      @Test
      public void testGetLastMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Year y = new Year(1970);
          // TODO: Check this result...
          assertEquals(31532399999L, y.getLastMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithTimeZone() {
          Year y = new Year(1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
  
          assertEquals(-599587200001L, y.getLastMillisecond(c));
  
          // try null calendar
          try {
              y.getLastMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithCalendar() {
          Year y = new Year(2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(1009843199999L, y.getLastMillisecond(calendar));
  
          // try null calendar
          try {
              y.getLastMillisecond(null);
              fail("NullPointerException should have been thrown");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getSerialIndex() method.
       */
      @Test
      public void testGetSerialIndex() {
          Year y = new Year(2000);
          assertEquals(2000L, y.getSerialIndex());
      }
  
      /**
       * Some checks for the testNext() method.
       */
      @Test
      public void testNext() {
          Year y = new Year(2000);
          y = (Year) y.next();
          assertEquals(2001, y.getYear());
          y = new Year(9999);
          assertNull(y.next());
      }
  
      /**
       * Some checks for the getStart() method.
       */
      @Test
      public void testGetStart() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JANUARY, 1, 0, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Year y = new Year(2006);
          assertEquals(cal.getTime(), y.getStart());
          Locale.setDefault(saved);
      }
  
      /**
       * Some checks for the getEnd() method.
       */
      @Test
      public void testGetEnd() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.DECEMBER, 31, 23, 59, 59);
          cal.set(Calendar.MILLISECOND, 999);
          Year y = new Year(2006);
          assertEquals(cal.getTime(), y.getEnd());
          Locale.setDefault(saved);
      }
  
  }
  